{% extends 'base.html' %}
{% load static %}


{% block head %}
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
    <title>校园风景</title>
    <link rel="stylesheet" href="{% static 'pictures/common.css' %}"/>
    <style>
        .columns {
            column-width: 320px;
            column-gap: 15px;
            width: 90%;
            max-width: 1100px;
            margin: 50px auto;
        }

        .columns figure {
            display: inline-block;
            box-shadow: 0 1px 2px rgba(34, 25, 25, 0.4);
            column-break-inside: avoid;
            border-radius: 8px;
        }

        .columns figure img {
            width: 100%;
            height: auto;
            margin-bottom: 15px;
            border-radius: 8px;
        }
    </style>


{% endblock head %}

{% block body %}
    <div style="text-align: center">
        <h1>汽院风景</h1>
    </div>
    <div class="columns">
        <figure>
            <img src="https://source.unsplash.com/random?city" alt=""/>
        </figure>
        <figure>
            <img src="https://source.unsplash.com/random?night" alt=""/>
        </figure>
        <figure>
            <img src="https://source.unsplash.com/random?developer" alt=""/>
        </figure>
        <figure>
            <img src="https://source.unsplash.com/random?building" alt=""/>
        </figure>
        <figure>
            <img src="https://source.unsplash.com/random?water" alt=""/>
        </figure>
        <figure>
            <img src="https://source.unsplash.com/random?coding" alt=""/>
        </figure>
        <figure>
            <img src="https://source.unsplash.com/random?stars" alt=""/>
        </figure>
        <figure>
            <img src="https://source.unsplash.com/random?forest" alt=""/>
        </figure>
        <figure>
            <img src="https://source.unsplash.com/random?girls" alt=""/>
        </figure>
        <figure>
            <img src="https://source.unsplash.com/random?working" alt=""/>
        </figure>
    </div>
{% endblock body %}
<!--实现原理：-->
<!--实现这个布局，首选我们需要把所有的内容先包裹在一个div元素里面，然后给这个元素column-width和column-gap属性。-->
<!--然后，为了防止任何元素被分割到两个列之间，将column-break-inside: avoid添加到各个元素中。-->
<!--神奇的效果就完美实现了，零 JavaScript。-->
